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------------------------------------------------------------------------------ -- -- -- GNAT COMPILER COMPONENTS -- -- -- -- S Y S T E M . C O M M U N I C A T I O N -- -- -- -- S p e c -- -- -- -- Copyright (C) 2001-2009, AdaCore -- -- -- -- GNAT is free software; you can redistribute it and/or modify it under -- -- terms of the GNU General Public License as published by the Free Soft- -- -- ware Foundation; either version 3, or (at your option) any later ver- -- -- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- -- or FITNESS FOR A PARTICULAR PURPOSE. -- -- -- -- As a special exception under Section 7 of GPL version 3, you are granted -- -- additional permissions described in the GCC Runtime Library Exception, -- -- version 3.1, as published by the Free Software Foundation. -- -- -- -- You should have received a copy of the GNU General Public License and -- -- a copy of the GCC Runtime Library Exception along with this program; -- -- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -- -- <http://www.gnu.org/licenses/>. -- -- -- -- GNAT was originally developed by the GNAT team at New York University. -- -- Extensive contributions were provided by Ada Core Technologies Inc. -- -- -- ------------------------------------------------------------------------------ -- Common support unit for GNAT.Sockets and GNAT.Serial_Communication with Ada.Streams; with System.CRTL; package System.Communication is function Last_Index (First : Ada.Streams.Stream_Element_Offset; Count : CRTL.size_t) return Ada.Streams.Stream_Element_Offset; -- Compute the Last OUT parameter for the various Read / Receive -- subprograms: returns First + Count - 1. -- -- When First = Stream_Element_Offset'First and Res = 0, Constraint_Error -- is raised. This is consistent with the semantics of stream operations -- as clarified in AI95-227. end System.Communication;